<template>
    <div class="recommend" ref="recommend">
      <scroll ref="scroll" class="recommend-content" :data="discList">
        <div>
          <div v-if='recommends.length' class="slider-wrapper">
            <slider>
              <div v-for="(item,index) in recommends" :key='index'>
                <a :href="item.linkUrl">
                  <img :src="item.picUrl"/>
                </a>
              </div>
            </slider>
          </div>
          <div class="recommend-list">
            <h1 class="list-title">热门歌单推荐</h1>
              <ul>
                <li v-for='(item,index) in discList' 
                :key='index' class="item" @click="selectItem(item)">
                  <div class="icon">
                    <img width="60" height="60" :src="item.imgurl"/>
                  </div>
                  <div class="text">
                    <h2 class="name" v-html="item.creator.name"></h2>
                    <p class="desc" v-html="item.dissname"></p>
                  </div>
                </li>
              </ul>
        </div>
      </div>
      <div class="loading-container" v-show="!discList.length">
        <loading></loading>
      </div>
      </scroll>
      <router-view></router-view>
  </div>
</template>

<script type="text/ecmascript-6">
  import {getRecommend,getDiscList} from 'api/recommend'
  import {ERR_OK} from 'api/config' 
  import Slider from 'base/slider/slider'
  import Scroll from 'base/scroll/scroll'
  import Loading from 'base/loading/loading'
  import {playlistMixin} from 'common/js/mixin'
  import {mapMutations} from 'vuex'

  export default {
    mixins:[playlistMixin],
    data() {
      return {
        recommends: [],
        discList:[]
      }
    },
    created() {
      this._getRecommend();
      this._getDiscList();
    },
    components: {
      Slider,
      Scroll,
      Loading
    },
    methods: {
      handlePlaylist(playlist) {
        const bottom = playlist.length > 0 ? '60px' : ''
        this.$refs.recommend.style.bottom = bottom
        this.$refs.scroll.refresh()
      },
      _getRecommend() {
        getRecommend().then((res) => {
          if(res.code === ERR_OK) {
            this.recommends = res.data.slider
          }
        })
      },
      _getDiscList() {
        getDiscList().then((res) => {
          if(res.code === ERR_OK) {
            this.discList = res.data.list
          }
        })
      },
      selectItem(item) {
        this.$router.push({
          path: `/recommend/${item.dissid}`
        })
        this.setDisc(item)
      },
      ...mapMutations({
        setDisc: 'SET_DISC'
      })
    }
  }

</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
 @import "~common/stylus/variable"

  .recommend
    position: fixed
    width: 100%
    top: 88px
    bottom: 0
    .recommend-content
      height: 100%
      overflow: hidden
      .slider-wrapper
        position: relative
        width: 100%
        overflow: hidden
      .recommend-list
        .list-title
          height: 65px
          line-height: 65px
          text-align: center
          font-size: $font-size-medium
          color: $color-theme
        .item
          display: flex
          box-sizing: border-box
          align-items: center
          padding: 0 20px 20px 20px
          .icon
            flex: 0 0 60px
            width: 60px
            padding-right: 20px
          .text
            display: flex
            flex-direction: column
            justify-content: center
            flex: 1
            line-height: 20px
            overflow: hidden
            font-size: $font-size-medium
            .name
              margin-bottom: 10px
              color: $color-text
            .desc
              color: $color-text-d
      .loading-container
        position: absolute
        width: 100%
        top: 50%
        transform: translateY(-50%)
</style>